<html xmlns:wicket>
<wicket:border>
<div id="collapsibleBorder">
   <div>
      <a wicket:id="toggle">
          <span wicket:id="caption">expand/collapse</span>
      </a>
   </div>
   <div id="collapsibleBody" wicket:id="body" style="padding-top: 10px;">
      <wicket:body/>
   </div>
</div>
</wicket:border>
</html>